1

Head Injury:
Have him seen. The forehead injury by itself does not sound concerning but now the appearance of bruising on the side of his head and behind his ear makes it more serious. Bruising behind his ear may indicate a skull fracture. He would best be seen in the ER. All the best.
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7

Could be serious:
Sometimes an injury like this can cause intracranial bleeding or injury. You need to get checked by a doctor immediately. Also, make sure someone stays with you and checks hourly to make sure you are alert and easily arousable with no worsening of symptoms.
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8

You need a workup:
Your going to need to see a Neurologist so the proper testing can be ordered. Without seeing it, it's hard to comment on what it possibly is.
It could just be a dermatological problem like a benign cyst, but given that your associating "Violgent" headaches, you will need a full head to toe Neuro assessment and perhaps imaging not for just this growth, but the brain too.
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9

Go to ED for eval:
If you hit your head hard enough to cause a "small knot and dent" with feeling sleepy, you need evaluated by a physician. They can decide after evaluating you if you need a CT of your head. Go to your local ED for evaluation!!
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11

See your Doctor:
If you are still having pain after a week, it will be a good idea to evaluate with your physician. In my opinion, any pain lasting more than a week should be evaluated by a doctor.
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15

Lymph node:
Is this is a new round lump? If so, most likely a postauricular (behind the ear) lymph node which usually enlarges during a local infection of the ear canal, pinna, or scalp.
The mastoid process is a normal protuberance of the temporal bone (ear bone) behind the ear, but this should be symmetric behind both of your ears.
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17

A contusion:
If you had 1) No loss of consciousness 2) no confusion or visual change 3) no vomiting, continued headache is probably due to contusion/bruising of your head. Now, if you fell hard against it and still have neck pain, it's worth an xray. If you continue having headaches, or any of the above apply, see your doctor to be examined in person.
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18

Icem NSAID, obs:
An elbow to the head -ouch! probably caused a bump called a hematoma which is a collection of blood just under the scalp.
The skull is quite thick and very tough, this injury is between skull and skin, not in the brain. Ice the area, take Ibuprofen or tylenol (acetaminophen) at proper doses, and it should slowly shrink and resolve. If any dizziness, vision changes, etc, see a doc.
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19

Common:
Headaches after a blow to the head are very, very common. And worst in the first week or so. A blow to the head, w/ or w/o concussion can also worsen existing headache, can cause neck muscle tension and spasm that feeds headache or could be its own type: post-traumatic headache. There is treatment - actually a great deal of treatment modalities available. Please see your dr and maybe a TBI doc
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20

Try these:
Apply ice packs on the site of the bruising on the first 2 days, thereafter, warm packs.
Take tylenol (acetaminophen) as needed.
If you have other symptoms like persistent nausea, vomiting, passing out, weakness on one side of your body or any nagging symptoms, go see your dr. For further work up.
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